From: Jacky Huang <ychuang3@xxxxxxxxxxx>
Add initial device tree support for Nuvoton ma35d1 SoC, including
cpu, clock, reset, and serial controllers.
Add reference boards som-256m and iot-512m.
Signed-off-by: Jacky Huang <ychuang3@xxxxxxxxxxx>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
arch/arm64/boot/dts/nuvoton/Makefile | 2 +
.../boot/dts/nuvoton/ma35d1-iot-512m.dts | 56 +++++
.../boot/dts/nuvoton/ma35d1-som-256m.dts | 56 +++++
arch/arm64/boot/dts/nuvoton/ma35d1.dtsi | 234 ++++++++++++++++++
4 files changed, 348 insertions(+)
create mode 100644 arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts
create mode 100644 arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts
create mode 100644 arch/arm64/boot/dts/nuvoton/ma35d1.dtsi
diff --git a/arch/arm64/boot/dts/nuvoton/Makefile b/arch/arm64/boot/dts/nuvoton/Makefile
index a99dab90472a..3bc9787801a5 100644
--- a/arch/arm64/boot/dts/nuvoton/Makefile
+++ b/arch/arm64/boot/dts/nuvoton/Makefile
@@ -1,2 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_MA35) += ma35d1-iot-512m.dtb
+dtb-$(CONFIG_ARCH_MA35) += ma35d1-som-256m.dtb
dtb-$(CONFIG_ARCH_NPCM) += nuvoton-npcm845-evb.dtb
diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts
new file mode 100644
index 000000000000..b89e2be6abae
--- /dev/null
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023 Nuvoton Technology Corp.
+ * Author: Shan-Chun Hung <schung@xxxxxxxxxxx>
+ * Jacky huang <ychuang3@xxxxxxxxxxx>
+ */
+
+/dts-v1/;
+#include "ma35d1.dtsi"
+
+/ {
+ model = "Nuvoton MA35D1-IoT";
+ compatible = "nuvoton,ma35d1-iot", "nuvoton,ma35d1";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ mem: memory@80000000 {
+ device_type = "memory";
+ reg = <0x00000000 0x80000000 0 0x20000000>; /* 512M DRAM */
+ };
+
+ clk_hxt: clock-hxt {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <24000000>;
+ clock-output-names = "clk_hxt";
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&clk {
+ assigned-clocks = <&clk CAPLL>,
+ <&clk DDRPLL>,
+ <&clk APLL>,
+ <&clk EPLL>,
+ <&clk VPLL>;
+ assigned-clock-rates = <800000000>,
+ <266000000>,
+ <180000000>,
+ <500000000>,
+ <102000000>;
+ nuvoton,pll-mode = "integer",
+ "fractional",
+ "integer",
+ "integer",
+ "integer";
+};
diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts
new file mode 100644
index 000000000000..a1ebddecb7f8
--- /dev/null
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023 Nuvoton Technology Corp.
+ * Author: Shan-Chun Hung <schung@xxxxxxxxxxx>
+ * Jacky huang <ychuang3@xxxxxxxxxxx>
+ */
+
+/dts-v1/;
+#include "ma35d1.dtsi"
+
+/ {
+ model = "Nuvoton MA35D1-SOM";
+ compatible = "nuvoton,ma35d1-som", "nuvoton,ma35d1";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ mem: memory@80000000 {
+ device_type = "memory";
+ reg = <0x00000000 0x80000000 0 0x10000000>; /* 256M DRAM */
+ };
+
+ clk_hxt: clock-hxt {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <24000000>;
+ clock-output-names = "clk_hxt";
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&clk {
+ assigned-clocks = <&clk CAPLL>,
+ <&clk DDRPLL>,
+ <&clk APLL>,
+ <&clk EPLL>,
+ <&clk VPLL>;
+ assigned-clock-rates = <800000000>,
+ <266000000>,
+ <180000000>,
+ <500000000>,
+ <102000000>;
+ nuvoton,pll-mode = "integer",
+ "fractional",
+ "integer",
+ "integer",
+ "integer";
+};
diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi
new file mode 100644
index 000000000000..781cdae566a0
--- /dev/null
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi
@@ -0,0 +1,234 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023 Nuvoton Technology Corp.
+ * Author: Shan-Chun Hung <schung@xxxxxxxxxxx>
+ * Jacky huang <ychuang3@xxxxxxxxxxx>
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/clock/nuvoton,ma35d1-clk.h>
+#include <dt-bindings/reset/nuvoton,ma35d1-reset.h>
+
+/ {
+ compatible = "nuvoton,ma35d1";
+ interrupt-parent = <&gic>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ cpus {
+ #address-cells = <2>;
+ #size-cells = <0>;
+
+ cpu0: cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a35";
+ reg = <0x0 0x0>;
+ enable-method = "psci";
+ next-level-cache = <&L2_0>;
+ };
+
+ cpu1: cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a35";
+ reg = <0x0 0x1>;
+ enable-method = "psci";
+ next-level-cache = <&L2_0>;
+ };
+
+ L2_0: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
+ cache-size = <0x80000>;
+ };
+ };
+
+ psci {
+ compatible = "arm,psci-0.2";
+ method = "smc";
+ };
+
+ gic: interrupt-controller@50801000 {
+ compatible = "arm,gic-400";
+ reg = <0x0 0x50801000 0 0x1000>, /* GICD */
+ <0x0 0x50802000 0 0x2000>, /* GICC */
+ <0x0 0x50804000 0 0x2000>, /* GICH */
+ <0x0 0x50806000 0 0x2000>; /* GICV */
+ #interrupt-cells = <3>;
+ interrupt-parent = <&gic>;
+ interrupt-controller;
+ interrupts = <GIC_PPI 9 (GIC_CPU_MASK_RAW(0x13) |
+ IRQ_TYPE_LEVEL_HIGH)>;
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) |
+ IRQ_TYPE_LEVEL_LOW)>, /* Physical Secure */
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) |
+ IRQ_TYPE_LEVEL_LOW)>, /* Physical Non-Secure */
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) |
+ IRQ_TYPE_LEVEL_LOW)>, /* Virtual */
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) |
+ IRQ_TYPE_LEVEL_LOW)>; /* Hypervisor */
+ interrupt-parent = <&gic>;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ sys: system-management@40460000 {
+ compatible = "nuvoton,ma35d1-reset";
+ reg = <0x0 0x40460000 0x0 0x200>;
+ #reset-cells = <1>;
+ };
+
+ clk: clock-controller@40460200 {
+ compatible = "nuvoton,ma35d1-clk";
+ reg = <0x00000000 0x40460200 0x0 0x100>;
+ #clock-cells = <1>;
+ clocks = <&clk_hxt>;
+ };
+
+ uart0: serial@40700000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x40700000 0x0 0x100>;
+ interrupts = <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART0_GATE>;
+ status = "disabled";
+ };
+
+ uart1: serial@40710000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x40710000 0x0 0x100>;
+ interrupts = <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART1_GATE>;
+ status = "disabled";
+ };
+
+ uart2: serial@40720000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x40720000 0x0 0x100>;
+ interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART2_GATE>;
+ status = "disabled";
+ };
+
+ uart3: serial@40730000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x40730000 0x0 0x100>;
+ interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART3_GATE>;
+ status = "disabled";
+ };
+
+ uart4: serial@40740000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x40740000 0x0 0x100>;
+ interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART4_GATE>;
+ status = "disabled";
+ };
+
+ uart5: serial@40750000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x40750000 0x0 0x100>;
+ interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART5_GATE>;
+ status = "disabled";
+ };
+
+ uart6: serial@40760000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x40760000 0x0 0x100>;
+ interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART6_GATE>;
+ status = "disabled";
+ };
+
+ uart7: serial@40770000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x40770000 0x0 0x100>;
+ interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART7_GATE>;
+ status = "disabled";
+ };
+
+ uart8: serial@40780000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x40780000 0x0 0x100>;
+ interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART8_GATE>;
+ status = "disabled";
+ };
+
+ uart9: serial@40790000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x40790000 0x0 0x100>;
+ interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART9_GATE>;
+ status = "disabled";
+ };
+
+ uart10: serial@407a0000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x407a0000 0x0 0x100>;
+ interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART10_GATE>;
+ status = "disabled";
+ };
+
+ uart11: serial@407b0000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x407b0000 0x0 0x100>;
+ interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART11_GATE>;
+ status = "disabled";
+ };
+
+ uart12: serial@407c0000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x407c0000 0x0 0x100>;
+ interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART12_GATE>;
+ status = "disabled";
+ };
+
+ uart13: serial@407d0000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x407d0000 0x0 0x100>;
+ interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART13_GATE>;
+ status = "disabled";
+ };
+
+ uart14: serial@407e0000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x407e0000 0x0 0x100>;
+ interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART14_GATE>;
+ status = "disabled";
+ };
+
+ uart15: serial@407f0000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x407f0000 0x0 0x100>;
+ interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART15_GATE>;
+ status = "disabled";
+ };
+
+ uart16: serial@40880000 {
+ compatible = "nuvoton,ma35d1-uart";
+ reg = <0x0 0x40880000 0x0 0x100>;
+ interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk UART16_GATE>;
+ status = "disabled";
+ };
+ };
+};
--
2.34.1
